Hello!
We have the following data:
f (radiation frequency) = 3.0 × 10^9 Hz
v (speed of light) = 3*10^8\:m/s
λ (wavelength) = ? (in m)
Let's find the wavelength, let's see:
[tex] f = \dfrac{v}{\lambda} [/tex]
[tex] 3.0*10^9 = \dfrac{3*10^8}{\lambda} [/tex]
[tex] \lambda = \dfrac{3*10^8}{3*10^9} [/tex]
[tex] \lambda = 1*10^{8-9} [/tex]
[tex] \lambda = 1*10^{-1} [/tex]
[tex] \boxed{\boxed{\lambda = 0.1\:m}}\end{array}}\qquad\checkmark [/tex]
Answer:
c. 0.10 m
________________
I Hope this helps, greetings ... DexteR! =)